Infiniti QX56 / QX80 5.6L Long System
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ARH QX56 / QX80 Infiniti Long Systems are available with either 1-3/4" or 1-7/8" diameter, long tube primaries, each version featuring ARH exclusive TIG Welded 3" merge collectors and scavenger spikes. ARH headers feature 3/8" thick Stainless Steel flanges dressed with hand-ported inlets. Without question, expect a great fit from our headers to match their outstanding performance. System fits 5.6L V8 Infiniti QX56 (2012-2015) / QX80 (2017-Present)
Attn. All ARH products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads/highways and may be subject to fines and/or criminal liability as per the Clean Air Act.
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Product features on this system includes:
- 100% Made in the USA - Never Outsourced
- Made entirely of 304 stainless steel
- 3/8" thick laser-cut flanges for a warp-free seal
- Hand-ported TIG welded inlets
- Optimized primary tube routing for superior fit and performance
- Merge collectors with scavenger spikes
- Catted systems feature 200 cell metallic substrate catalytic converters for extreme durability
